KENWOOD KRFX9050D Service Manual

Cover page of KENWOOD KRFX9050D Service Manual

Service Manual for KENWOOD KRFX9050D, downloadable as a PDF file.

We also have owner's manual to this model.

Manual details

  • Immediate download after payment.
  • Delivered as a PDF file.
  • The manual has 38 pages
  • File size: 5.27 MB
  • Available language versions: English
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Sample pages

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background image
70%
AUDIO VIDEO SURROUND RECEIVER
© 2001-2/B51-5702-00 (K/K) 2148
A SPEAKERS B
STANDBY
POWER
MULTI CONTROL
LISTEN MODE
SOUND
SOURCE DIRECT
AUTO/CINEMA EQ
BAND
MEMORY
INPUT SELECTOR
VOLUME CONTROL
UP
DOWN
PROLOGIC
3 STEREO
CS5.1
DOLBY
DIGITAL
DTS
INPUT MODE
SET UP
S VIDEO
V
L ­ AUDIO ­ R
AV AUX
DIMMER
MONITOR
PHONES
ON/STANDBY
ON
OFF
Illustration is KRF-V7050D(M).
* Refer to parts list on page 35.
KRF-V5050D/V5050DE/V5050D-S/V5550D-S/
KRF-V6050D/V6050D-S/V7050D/V7050D-S/
KRF-X9050D/X9050D-S
SERVICE MANUAL
GREEN
ORANGE
GRAY
SURROUND SPEAKERS
FRONT SPEAKERS
CENTER SPEAKER
BLUE
FRONT SPEAKERS
(8 ~ 16 )
RED
DVD
VIDEO 1
VIDEO 2
VIDEO 3
AC OUTLETS
50/60Hz
AC110-120V/220-240V
SWITCHED
TOTAL 90W MAX.
CD/DVD
OPTICAL
VIDEO3
OPTICAL
DIGITAL IN
VIDEO 2
COAXIAL
CENTER
R
A
LC
L
R
L
R
B
GND
PLAY IN PLAY IN
PLAY IN
VIDEO 1
VIDEO 2
VIDEO 3
SUB WOOFER
PRE OUT
REC OUT
PLAY IN
MONITOR
REC OUT
PLAY IN
REC OUT
MD / TAPE
CD / DVD
PHONO
AUDIO
PLAY IN
PLAY IN
PLAY IN
REC OUT
PLAY IN
MONITOR
OUT
S VIDEO
VIDEO 1
DVD
R
L
SYSTEM
CONTROL
VIDEO 2 IN
VIDEO 1 IN
VIDEO 3 IN
CD/DVD
DVD
MONITOR
OUT
VIDEO 1
OUT
GND
ANTENNA
AM
DVD / 6CH. INPUT
SUB
WOOFER
FRONT
SURROUND
75 s
AM 10kHz
FM 100kHz
50 s
AM 9kHz
FM 50kHz
DE-
EMPHASIS
CHANNEL
SPACE
(8 ~ 16 )
(8 ~ 16 )
(8 ~ 16 )
FM
75
AC 220-
240V~
AC 110-
120V~
Knob *
(K29-)
Knob(BUTTON) *
(K27-)
Front glass *
(B10-)
Knob *
(K29-)
Panel *
(A60-)
Phone jack
(E11-0272-05)
Knob *
(K29-)
Knob *
(K29-)
Knob *
(K29-)
Knob *
(K29-)
Cylindrical receptacle
(E56-0033-05)
Pin jack
(E63-1172-05)
Pin jack
(E63-0127-05)
Pin jack
(E63-1139-05)
Metallic cabinet *
(A01-)
Pin jack x2
(E63-1143-05)
Screw terminal board *
(E70-)
Pin jack
(E63-1146-05)
Pin jack
(E63-1144-05)
Lock terminal board
(E70-0128-05)
AC power cord *
(E30-)
Miniature phone jack
(E11-0293-05)
AC outlet *
(E03-)
AC power cord bushing
(J42-0083-05)
Cylindrical receptacle x2
(E56-0011-05)
Optical receiving module
(W02-2802-05)
Pin jack
(E63-1080-05)
Slide switch
(S62-0001-05)
Slide switch
(S62-0034-05)
background image
70%
AUDIO VIDEO SURROUND RECEIVER
© 2001-2/B51-5702-00 (K/K) 2148
A SPEAKERS B
STANDBY
POWER
MULTI CONTROL
LISTEN MODE
SOUND
SOURCE DIRECT
AUTO/CINEMA EQ
BAND
MEMORY
INPUT SELECTOR
VOLUME CONTROL
UP
DOWN
PROLOGIC
3 STEREO
CS5.1
DOLBY
DIGITAL
DTS
INPUT MODE
SET UP
S VIDEO
V
L ­ AUDIO ­ R
AV AUX
DIMMER
MONITOR
PHONES
ON/STANDBY
ON
OFF
Illustration is KRF-V7050D(M).
* Refer to parts list on page 35.
KRF-V5050D/V5050DE/V5050D-S/V5550D-S/
KRF-V6050D/V6050D-S/V7050D/V7050D-S/
KRF-X9050D/X9050D-S
SERVICE MANUAL
GREEN
ORANGE
GRAY
SURROUND SPEAKERS
FRONT SPEAKERS
CENTER SPEAKER
BLUE
FRONT SPEAKERS
(8 ~ 16 )
RED
DVD
VIDEO 1
VIDEO 2
VIDEO 3
AC OUTLETS
50/60Hz
AC110-120V/220-240V
SWITCHED
TOTAL 90W MAX.
CD/DVD
OPTICAL
VIDEO3
OPTICAL
DIGITAL IN
VIDEO 2
COAXIAL
CENTER
R
A
LC
L
R
L
R
B
GND
PLAY IN PLAY IN
PLAY IN
VIDEO 1
VIDEO 2
VIDEO 3
SUB WOOFER
PRE OUT
REC OUT
PLAY IN
MONITOR
REC OUT
PLAY IN
REC OUT
MD / TAPE
CD / DVD
PHONO
AUDIO
PLAY IN
PLAY IN
PLAY IN
REC OUT
PLAY IN
MONITOR
OUT
S VIDEO
VIDEO 1
DVD
R
L
SYSTEM
CONTROL
VIDEO 2 IN
VIDEO 1 IN
VIDEO 3 IN
CD/DVD
DVD
MONITOR
OUT
VIDEO 1
OUT
GND
ANTENNA
AM
DVD / 6CH. INPUT
SUB
WOOFER
FRONT
SURROUND
75 s
AM 10kHz
FM 100kHz
50 s
AM 9kHz
FM 50kHz
DE-
EMPHASIS
CHANNEL
SPACE
(8 ~ 16 )
(8 ~ 16 )
(8 ~ 16 )
FM
75
AC 220-
240V~
AC 110-
120V~
Knob *
(K29-)
Knob(BUTTON) *
(K27-)
Front glass *
(B10-)
Knob *
(K29-)
Panel *
(A60-)
Phone jack
(E11-0272-05)
Knob *
(K29-)
Knob *
(K29-)
Knob *
(K29-)
Knob *
(K29-)
Cylindrical receptacle
(E56-0033-05)
Pin jack
(E63-1172-05)
Pin jack
(E63-0127-05)
Pin jack
(E63-1139-05)
Metallic cabinet *
(A01-)
Pin jack x2
(E63-1143-05)
Screw terminal board *
(E70-)
Pin jack
(E63-1146-05)
Pin jack
(E63-1144-05)
Lock terminal board
(E70-0128-05)
AC power cord *
(E30-)
Miniature phone jack
(E11-0293-05)
AC outlet *
(E03-)
AC power cord bushing
(J42-0083-05)
Cylindrical receptacle x2
(E56-0011-05)
Optical receiving module
(W02-2802-05)
Pin jack
(E63-1080-05)
Slide switch
(S62-0001-05)
Slide switch
(S62-0034-05)
background image
FM indoor antenna (1)
(T90-0877-05)
AM loop antenna (1)
(T90-0852-05)
Remote control unit (1)
*AC plug adaptor (1)
(E03-0115-05)
* Use to adapt the plug on the power cord
to the shape of the wall outlet.
(Accessory only for regions where use is
necessary.)
Batteries (R6/AA)
KRF-V5050D/V5550D/V6050D/V7050D/X9050D
2
CONTENTS / ACCESSORIES
CONTENTS / ACCESSORIES .................................. 2
WIRING DIAGRAM .....................................................3
PC BOARD ................................................................ 9
SCHEMATIC DIAGRAM .......................................... 15
EXPLODED VIEW ....................................................34
PARTS LIST..............................................................35
SPECIFICATIONS ....................................................48
Contents
Accessories
Resetting the Microcomputer
The microcomputer may malfunction (unit cannot be operated,
or shows an erroneous display) if the power cord is unplugged
while the power is ON, or due to some other external factors.
If this happens, execute the following procedure to reset the
microcomputer and return the unit to its normal operating
condition.
With the power cord plugged in, turn the POWER key OFF.
Then, while holding down the ON/STANDBY key, press
POWER key.
·
Please note that resetting the microcomputer will clear the contents
of the memory and returns the unit to the state it was in when it left
MODEL
Destinations
Remote controller
Parts number
Model name
Battery cover
KRF-V5050D
Y
A70-1468-15
RC-R0511
A09-1178-08
KRF-V5050D-S
MIX
A70-1468-15
RC-R0511
A09-1178-08
KRF-V5050D
ET
A70-1469-05
RC-R0512
A09-1178-08
KRF-V5050DE
E3
A70-1469-05
RC-R0512
A09-1178-08
KRF-V5050D-S
E2T2
A70-1469-05
RC-R0512
A09-1178-08
KRF-V5550D-S
MY
A70-1507-05
RC-R0617
A09-1178-08
KRF-V6050D
Y
A70-1466-15
RC-R0615
A09-1178-08
KRF-V6050D-S
MIX
A70-1466-15
RC-R0615
A09-1178-08
KRF-V6050D
E
A70-1467-05
RC-R0616
A09-1178-08
KRF-V7050D
Y
A70-1464-15
RC-R0613
A09-1178-08
KRF-V7050D-S
MIX
A70-1464-15
RC-R0613
A09-1178-08
KRF-V7050D
ET
A70-1465-05
RC-R0614
A09-1178-08
KRF-X9050D
Y
A70-1480-05
RC-R0714
A09-1215-08
KRF-X9050D-S
MIX
A70-1480-05
RC-R0714
A09-1215-08
KRF-X9050D
ET
A70-1481-05
RC-R0715
A09-1215-08
Mdel name vs remote controller
Cautions
background image
KRF-V5050D/V5550D/V6050D/V7050D/X9050D
3
WIRING
DIAGRAM
J4
SPEAKER A
Cch
Lch
Rch
Lch
SRch
SLch
SURROUND
Rch
SPEAKER B
J5
SLch
SRch
SURROUND
J9
J6
SLch
SWch
SRch
SURROUND
SWch
J7
AC POWER CORD
CN2
MD/TAPE
PLAY
REC
MD/TAPE
CD
PHONO
J1
VIDEO1
IN
VIDEO1
OUT
PLAY
MONITOR
MONITOR
REC
J2
IN
VIDEO2
J10
IN
VIDEO3
J3
J200
SYNC
CONTROL
SYSTEM
VIDEO3 IN
VIDEO1 IN
MONITOR A OUT
VIDEO1 OUT
VIDEO2 IN
COMPOSITE
DVD IN
VIDEO
J201
J202
MONITOR B OUT
J203
J204
VIDEO1 IN
DVD IN
VIDEO1 OUT
VIDEO2 IN
MONITOR A OUT
CN203
CN7
E3
E4
TRANSFORMER
WH4
CN205
CN6
CN4
E2
E1
WH1
WH2
WH3
SWch
Cch
INPUT
RSch
DVD
6ch
LSch
Rch
Lch
J2
COAX. INPUT
VIDEO 2
DVD
J1
VIDEO 3
OPT. INPUT
A2
CD/DVD
A1
OPT. OUTPUT
A3
CN1
CN5
CN202
CN3
CN5
CN2
CN100
SURR. L
SUBWOOFER
CENTER
SURR. R
PRE OUT
6ch
FRONT R
FRONT L
J100
CN204
CN1
CN201
CN1
OUT
REC
PLAY IN
DVD
MONITOR
OUT
J1
VIDEO3
PLAY IN
VIDEO1
VIDEO2
PLAY IN
PLAY
IN
J2
Cr OUT
Y OUT
Cb OUT
J12
VIDEO3
Cb
Cr
DVD
VIDEO3
DVD
Y
VIDEO3
DVD
J11
E100
WH3
E200
AUX SVID.
J3
AUX R
AUX COMP.
AUX L
J2
WH4
CN206
CN3
GND
AM
FM75
E3
E2
WH2
HEADPHONE
J1
CN101
CN100
J8
PLAY
IN
VIDEO1
OUT
REC
PLAY IN
J404
DVD
OUT
MONITOR
J403
CN401
F1
CN2
WH1
VIDEO3
PLAY IN
OUT
VIDEO2
PLAY IN
PLAY
IN
VIDEO1
J402
REC
OUT
DVD
PLAY IN
J401
MONITOR
VIDEO2
IN
DVD
IN
F2
J8
WH1
WH5
S1
CN1
F3
CN3
WH100
WH6
KRF-X9050D-S (X07-329X-XX)
KRF-X9050D (X07-329X-XX)
KRF-V7050D-S (X07-3300-XX)
KRF-V7050D (X07-330X-XX)
KRF-V6050D (X07-330X-XX)
KRF-V6050D-S (X07-3300-XX)
KRF-V5050D (X07-330X-XX)
KRF-V5050D-S (X07-331X-XX)
KRF-V5050DE (X07-3312-71)
KRF-V5550D-S (X07-333X-XX)
KRF-V5050D (X08-3060-11)
KRF-V5050DE (X08-3060-11)
KRF-V5050D-S (X08-3060-11)
KRF-V6050D (X08-3060-11)
KRF-V6050D-S (X08-3060-11)
KRF-V7050D (X08-3060-12)
KRF-V7050D-S (X08-3060-12)
KRF-V5550D-S (X08-3060-10)
KRF-X9050D (X08-3060-14)
KRF-X9050D-S (X08-3060-14)
KRF-X9050D-S (X14-7260-XX)
KRF-X9050D (X14-726X-XX)
KRF-V5550D-S (X14-725X-XX)
KRF-V7050D-S (X14-7260-XX)
KRF-V7050D (X14-726X-XX)
KRF-V6050D-S (X14-7250-XX)
KRF-V6050D (X14-725X-XX)
KRF-V5050D-S (X14-725X-XX)
KRF-V5050DE (X14-7252-71)
KRF-V5050D (X14-7XXX-XX)
KRF-X9050D-S (X35-2252-71)
KRF-X9050D (X35-2252-71)
1
2
19
1
1
19
117
17
1
12
2
1
33
11
15
15
11
12
23
1
1
23
1
29
29
1
1
2
9
1
9
1
21
1
21
1
119
19
1
1
15
15
1
71
7
1
1
3
1
3
3
1
15
1
1
15
W
W
F1
T1
119
3
1
F2
3
1
1
5
F3
T3.15A L 250V
240V
120V
1
3
12
21
: AC240V~ 50Hz
: AC230V~ 50Hz
(X)
(T,E)
: AC110-120V/220-240V~
50/60Hz
(Y,M,I)
CN3
CN2
MALASIA
GENERAL MARKET
M
I
0-21
COUNTRY
DESTINATION
ABB.
UNIT No.
EUROPE
E
2-71
AUSTRALIA
X
0-51
U.K.
T
0-71
COUNTRY
ABB.
PX
2-91
Y
DESTINATION
UNIT No.
ABB.
COUNTRY
AUSTRALIA
MALASIA
GENERAL MARKET
X
M
I
0-71
0-21
UNIT No.
DESTINATION
UNIT No.
DESTINATION
COUNTRY
Y
E
T
ABB.
2-91
0-51
U.K.
EUROPE
PX
2-71
UNIT No.
EUROPE
COUNTRY
DESTINATION
PX
Y
E
ABB.
2-92
2-72
UNIT No.
DESTINATION
COUNTRY
ABB.
0-72
0-22
AUSTRALIA
GENERAL MARKET
MALASIA
X
I
M
0-51
2-71
UNIT No.
DESTINATION
COUNTRY
ABB.
2-91
EUROPE
PX
U.K.
T
E
Y
2-71
UNIT No.
DESTINATION
COUNTRY
EUROPE
ABB.
E2
0-51
0-21
U.K.
T2
0-71
AUSTRALIA
X
GENERAL MARKET
MALASIA
M
I
UNIT No.
COUNTRY
DESTINATION
EUROPE
ABB.
E3
2-71
UNIT No.
COUNTRY
DESTINATION
ABB.
0-21
GENERAL MARKET
M
PX
2-91
Y
UNIT
DESTINATION
0-11
No.
COUNTRY
ABB.
PX
Y
EUROPE
E2
T2
U.K.
0-11
No.
UNIT
EUROPE
E3
DESTINATION
COUNTRY
ABB.
COUNTRY
DESTINATION
EUROPE
E
ABB.
UNIT
No.
U.K.
T
M
GENERAL MARKET
X
AUSTRALIA
I
MALAYSIA
0-11
DESTINATION
COUNTRY
UNIT
ABB.
No.
PX
Y
E
EUROPE
0-11
COUNTRY
DESTINATION
0-11
ABB.
No.
UNIT
GENERAL MARKET
AUSTRALIA
MALAYSIA
M
X
I
DESTINATION
COUNTRY
0-12
ABB.
No.
UNIT
PX
Y
EUROPE
E
U.K.
T
COUNTRY
DESTINATION
No.
ABB.
0-12
UNIT
GENERAL MARKET
AUSTRALIA
MALAYSIA
M
X
I
COUNTRY
DESTINATION
UNIT
ABB.
No.
0-10
M
GENERAL MARKET
COUNTRY
DESTINATION
UNIT
0-14
ABB.
No.
PX
EUROPE
U.K.
T
E
Y
DESTINATION
COUNTRY
0-14
ABB.
No.
UNIT
I
X
M
GENERAL MARKET
AUSTRALIA
MALAYSIA
PX
Y
MALAYSIA
AUSTRALIA
GENERAL MARKET
COUNTRY
DESTINATION
U.K.
EUROPE
PX
DESTINATION
COUNTRY
GENERAL MARKET
DESTINATION
COUNTRY
MALAYSIA
AUSTRALIA
GENERAL MARKET
DESTINATION
COUNTRY
U.K.
EUROPE
PX
COUNTRY
DESTINATION
E
2-92
No.
ABB.
I
M
X
0-22
UNIT
T
ABB.
Y
No.
UNIT
UNIT
ABB.
M
0-23
No.
X
0-21
I
ABB.
M
No.
UNIT
UNIT
T
E
2-91
ABB.
Y
No.
MALAYSIA
AUSTRALIA
GENERAL MARKET
DESTINATION
COUNTRY
EUROPE
PX
COUNTRY
DESTINATION
MALAYSIA
GENERAL MARKET
U.K.
EUROPE
DESTINATION
COUNTRY
COUNTRY
DESTINATION
EUROPE
U.K.
EUROPE
PX
COUNTRY
DESTINATION
X
0-22
I
UNIT
ABB.
M
No.
Y
2-91
E
2-72
ABB.
No.
UNIT
T2
E2
I
0-21
ABB.
M
No.
UNIT
E3
ABB.
UNIT
No.
T
ABB.
No.
E
Y
362-90
UNIT
2-71
2-71
252-71
0-72
2-71
0-71
2-72
0-72
E
EUROPE
MALAYSIA
AUSTRALIA
X
I
DESTINATION
COUNTRY
GENERAL MARKET
ABB.
M
UNIT
No.
T
U.K.
COUNTRY
DESTINATION
ABB.
Y
PX
UNIT
No.
2-71
2-71
AUSTRALIA
X
0-71
PX
Y
2-92
(X07) (B/4)
POWER AMPLIFIER UNIT
(X14-7XXX-XX) (A/8)
(X14- ) (F/8)
(X14- ) (D/8)
(X14- ) (C/8)
(X08-30XX-XX)
(X35-2252-71)
(W02-277X)
(X14) (E/8)
(X14) (B/8)
(X07-3XXX-XX) (A/4)
u-COM UNIT
SURROUND UNIT
VIDEO UNIT
DISPLAY UNIT
HEADPHONE UNIT
TUNER UNIT
(X14) (H/8)
KRF-V7050D/D-S
USED ONLY
KRF-X9050D/D-S USED ONLY
KRF-V5550D-S
USED ONLY
KRF-X9050D/D-S
USED ONLY
KRF-V7050D/D-S
USED ONLY
USED ONLY
KRF-X9050D/D-S
EXCEPT USED
KRF-V5550D-S
USED ONLY
KRF-X9050D/D-S
X9050D/D-S
USED ONLY
USED ONLY
V7050D/D-S
USED ONLY
V6050D/D-S
V7050D/D-S
USED ONLY
KRF-V5050D/D-S/DE
KRF-V5550D-S
USED ONLY
V5050D/D-S/DE
USED ONLY
V6050D/D-S
V5050D/D-S/DE
EXCEPT USED
KRF-X9050D/D-S
USED ONLY
KRF-V6050D/D-S
KRF-V5550D-S
USED ONLY
KRF-X9050D/D-S
X9050D/D-S
V6050D/D-S,
V5050D/D-S/DE
KRF-V5550D-S
USED ONLY
KRF-V6050D/D-S,V7050D/D-S
KRF-V5550D-S/V5050D/D-S/DE
EXCEPT USED
EXCEPT USED
KRF-V5550D-S
V5050D/D-S/DE
KRF-X9050D/D-S
KRF-V7050D/D-S
KRF-V7050D/D-S
(E)TYPE ONLY
(X07) (C/4)
(X00-3000-20)
(X07)(D/4)
EXCEPT
(M,Y,I)TYPE
USED
(M,Y,I)TYPE
(X14) (G/8)
KRF-V7050D/D-S
KRF-V5050D/D-S/DE
KRF-V6050D/D-S
KRF-V5550D-S
background image
KRF-V5050D/V5550D/V6050D/V7050D/X9050D
4
CIRCUIT DESCRIPTION
0 : Pull down,1:Pull up
SET TYPE
TYPE
BAND
RECEIVING
FREQUENCY RANGE
CHANNEL
SPACE
IF
PLL
Tuner Destination Port
PORT3(68PIN)
(CP205)
PORT2(67PIN)
(W109)
PORT1(66PIN)
(W105)
PORT0(65PIN)
(W106)
K, P, R
K1
1700
FM
87.5MHz-108.0MHz
100kHz
+10.7MHz
25kHz
00
0
0
AM
530kHz-1700kHz
10kHz
+450kHz
10kHz
Y, M, I,
C, V
K2
1610
FM
87.5MHz-108.0MHz
100kHz
+10.7MHz
25kHz
00
0
1
AM
530kHz-1610kHz
10kHz
+450kHz
10kHz
Y
K3
1610
RBDS
FM
87.5MHz-108.0MHz
100kHz
+10.7MHz
25kHz
00
1
0
AM
530kHz-1610kHz
10kHz
+450kHz
10kHz
K, P
K4
1700
RBDS
FM
87.5MHz-108.0MHz
100kHz
+10.7MHz
25kHz
10
1
0
AM
530kHz-1700kHz
10kHz
+450kHz
10kHz
Y, M, I,
C, V,
E, X, H
E1
FM
87.5MHz-108.0MHz
50kHz
+10.7MHz
25kHz
00
1
1
AM
531kHz-1602kHz
9kHz
+450kHz
9kHz
T
E2
LW
FM
87.5MHz-108.0MHz
50kHz
+10.7MHz
25kHz
01
0
0
MW
531kHz-1602kHz
9kHz
+450kHz
9kHz
LW
153kHz-279kHz
9kHz
+450kHz
9kHz
E, T
E3
RDS
FM
87.5MHz-108.0MHz
50kHz
+10.7MHz
25kHz
01
0
1
AM
531kHz-1602kHz
9kHz
+450kHz
9kHz
T
E4
LW
RDS
FM
87.5MHz-108.0MHz
50kHz
+10.7MHz
25kHz
01
1
0
MW
531kHz-1602kHz
9kHz
+450kHz
9kHz
LW
153kHz-279kHz
9kHz
+450kHz
9kHz
Q
Q1
RDS
FM L
65.0MHz-74.0MHz
10kHz
+10.7MHz
5kHz
10
1
1
FM H
87.5MHz-108.0MHz
50kHz
+10.7MHz
5kHz
AM
531kHz-1602kHz
9kHz
+450kHz
9kHz
Q
Q2
RDS
FM L
65.0MHz-74.0MHz
10kHz
+10.7MHz
5kHz
11
0
0
FM H
87.5MHz-108.0MHz
50kHz
+10.7MHz
5kHz
MW
531kHz-1602kHz
9kHz
+450kHz
9kHz
LW
153kHz-279kHz
9kHz
+450kHz
9kHz
Y, M, I,
C, V
M
K2/E1 are decided by Tuner Destination Port 1 input.
(0=K2 type 1=E1 type)
00
X
1
Y
Y
RBDS
K3/E1 are decided by Tuner Destination Port 0 input.
(0=K3 type 1=E1 type)
00
1
X
1. Initial and Backup Function
1-1 Initial State
Below are set value if the microcomputer is initialized
when reset:
(1) AMP function initialization
· POWER
POWER OFF (STANDBY)
· Input Selector
TUNER
· Preset device
None
· Visual output
VIDEO1
· Speaker A relay
ON
· Speaker B relay
OFF
· Volume
-66dB
· BASS
0dB
· TREBLE
0dB
· INPUT LEVEL
0dB
· SOURCE DIRECT
0dB
· MONITOR
0dB
· VIDEO2/MONITOR
VIDEO2
· MD/TAPE
TAPE
· RF BAND
BAND 1
(2) SURROUND function initialization
· LISTEN MODE
STEREO
· INPUT MODE
CD/DVD
DIGITAL AUTO
VIDEO2
ANALOG
VIDEO3
ANALOG
DVD/6ch
DIGITAL AUTO
· SUBWOOFER
ON
· FRONT speaker size
LARGE
· CENTER speaker size
NORMAL
· SURROUND speaker size
NORMAL
· DISTANCE
Fch 3.0m / 10ft
Cch
3.0m / 10ft
Sch
1.5m / 5ft
· LEFT level
0dB
· RIGHT level
0dB
· CENTER level
0dB
· REAR (SL,SR) level
0dB
· SUBWOOFER level
0dB
· MIDNIGHT
OFF
· CINEMA EQ
OFF
(3) TUNER function initialization
· BAND
FM
· PRESET CHANNEL
"--"
· Frequency receive
Each destination
minimum value
K1/K2
FM : 87.50 MHz
AM : 530 kHz
E1
FM : 87.50 MHz
AM : 531 kHz
· AUTO MANUAL
AUTO
1-2 Backup Function
When the AC power supply is turned off, the receiver micro-
computer enters the backup mode. As a result, it will return
to the last state before the AC OFF when the AC power sup-
ply is turned ON again
2. Destination List of Tuner
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KRF-V5050D/V5550D/V6050D/V7050D/X9050D
5
CIRCUIT
DESCRIPTION
X14,ED2
FL
X05,IC2(PLL)
X14
11-MT-125GK
X07,IC8/11
RF-RC DEMODULATOR UNIT
REMOCON
KEY GET
NJU7313AL
LV2105V
REMOCON1
STANDBY(S1)
X14
SEL.DT,SEL.CLK,SEL.ST1,
RFRCV.CS,RFRCV.DATA,
REMOCON2
BAND(S13)
LED
SEL.ST2
RFRCV.CLK
IR.SW
X14 FL DRIVER
DTS.LED,
VR-509/510 only
UPD16311
DOL.DIG.LED,CS.LED,
X08,IC51
Din,Dout,STB,CLK
THX.LED
CS493263
DSP.LED
DSP1
DSP.INTREQ,DSP.CDIN,
X14
DSP.CDOUT,DSP.CCLK,
LED
X14
DSP.CS,DSP.PD
STANDBY.LED(D1)
KEY GET
X08,IC61
MAIN KEY
( KRF-X9050D/VR-510 only)
CS493302
RELAY
DSP2
DSP.INTREQ,DSP.CDIN,
POWER.RLY,SPA.RLY,SPB.RLY,
DSP.CDOUT,DSP.CCLK,
MN101C49GLD
CENTER.RLY,SURR.RLY,
DSP.CS,DSP.PD
(KRF-X9050D/VR-510 only)
LIMITER,PACK.CONT
MN101C49GLE(others)
X08,IC2
X14
AK4527B
ENCODER
CODEC.CDIN,CODEC.CDOUT,
VOL.ENC.A,VOL.ENC.B,(S15)
CODEC.CCLK,CODEC.CS,
SEL.ENC.A,SEL.ENC.B(S14)
CODEC.PD,CODEC.CLIP
X200
MULTI.ENC.A,MULTI.ENC.B(S16)
X14,IC401
403
X08,IC5
OSC
VIDEO IC
DIGITAL AUDIO RECEIVER
8.38MHz
VIDEO.CTRLA,VIDEO.CTRLB
AK4112AVF
VIDEO.CTRLC,VIDEO.CTRLD
DIR.CDIN,DIR.CDOUT,DIR.CCLK,
COMPONENT1,CONPONENT2
DIR.PD,DIR.ERR,DIR.AUTO
DESTINATION
TUNER DEST
PROTECTION
MODEL TYPE
THERMAL.SENS,PROTECTION1,
MUTE
PROTECTION2
A.MUTE,/PRE.OUT.MUTE
T.MUTE,/20dB.ATT,/V.MUTE
X14,IC100
TUNER PACK
TUNER PACK
BU1923
TUNER
LC72131
X14,J200
RDS.CLK,RDS.DATA
SD,/STEREO,CH.SPACE
PLL.DO,PLL.DT,PLL.CK,
SERIAL
RDS DEMODULATOR
S.LEVEL
PLL.CE
S.DATA,S.BUSY
(T/E type only)
X08,IC15
SOUND CONTROLLER
M62446FP
VOL.DT,VOL.CLK,VOL.ST
3.
Microprocessor:
MN101C49GLE
or
MN101C49GLD(X14,IC200)
3-1
Microprocessor
Periphery
block
diagram

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